Features: 1. 2in subwoofer, high-quality speaker unit with dual-power AAS bass low-state engine. 2. Full support for digital devices, can be connected to computers, DVDs, mobile phones, video players and other equipment. 3. Classic fashion design, rectangular box design. Wooden construction. A variety of textures are selected to add dust cover at the front, easy to clean. 4. Wire-controlled design, suitable for USB port / 3.5mm plug, compatible with a variety of audio equipment. 5. Fully support 3.5MM audio output. Specifications: Output: RMS 3W*2 (THD<1%) Field sounder unit: 3"*2, 4 soft (antimagnetic) sensitive iron boron magnetic circuit aluminum vibration Input interface: 3.5mm stereo jack Input current: USB powered 5V Frequency response: 100HZ-20khz Signal to noise ratio: 85dB (A) Audio cable length: 1.6m Package List: 2 * Speaker 1、2in subwoofer, high-quality speaker unit with dual-power AAS bass low-state engine. 2、Full support for digital devices, can be connected to computers, DVDs, mobile phones, video players and other equipment. 3、Classic fashion design, rectangular box design. Wooden construction. A variety of textures are selected to add dust cover at the front, easy to clean. 4、Wire-controlled design, suitable for USB port / 3.5mm plug, compatible with a variety of audio equipment. 5、Fully support 3.5MM audio output.